标准摘要
[中文适用范围]： 描述以下电气特性的测量方法：输入和输出回波损耗、输入和输出电平或功率、增益、自动增益控制、幅度调制/相位调制转换因子、幅度/频率特性 [外文原描述]： Describes methods of measurement of the electrical characteristics of up-converters and down-converters used in satellite earth station transmitters and receivers with digital modulation.
英文名称Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurement on satellite earth stations - Section 5: Up- and down-converters